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Phosphatidylinositol 3-kinase phosphorylates the inositol ring of phosphatidylinositol at the 3-prime position. The enzyme comprises a 110 kD catalytic subunit and a regulatory subunit of either 85, 55, or 50 kD. This gene encodes the 85 kD regulatory subunit. Phosphatidylinositol 3-kinase plays an important role in the metabolic actions of insulin, and a mutation in this gene has been associated with insulin resistance. Alternative splicing of this gene results in four transcript variants encoding different isoforms. [provided by RefSeq, Jun 2011]
Predicted intracellular proteins Plasma proteins RAS pathway related proteins Cancer-related genes Candidate cancer biomarkers Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
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GO:0001678 [cellular glucose homeostasis] GO:0001953 [negative regulation of cell-matrix adhesion] GO:0005068 [transmembrane receptor protein tyrosine kinase adaptor activity] GO:0005158 [insulin receptor binding] GO:0005159 [insulin-like growth factor receptor binding] GO:0005168 [neurotrophin TRKA receptor binding] GO:0005515 [protein binding] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005801 [cis-Golgi network] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0005911 [cell-cell junction] GO:0005942 [phosphatidylinositol 3-kinase complex] GO:0005943 [phosphatidylinositol 3-kinase complex, class IA] GO:0006468 [protein phosphorylation] GO:0006644 [phospholipid metabolic process] GO:0006661 [phosphatidylinositol biosynthetic process] GO:0007162 [negative regulation of cell adhesion] GO:0007165 [signal transduction] GO:0007173 [epidermal growth factor receptor signaling pathway] GO:0007596 [blood coagulation] GO:0008134 [transcription factor binding] GO:0008286 [insulin receptor signaling pathway] GO:0008543 [fibroblast growth factor receptor signaling pathway] GO:0008625 [extrinsic apoptotic signaling pathway via death domain receptors] GO:0008630 [intrinsic apoptotic signaling pathway in response to DNA damage] GO:0014065 [phosphatidylinositol 3-kinase signaling] GO:0016020 [membrane] GO:0016032 [viral process] GO:0019903 [protein phosphatase binding] GO:0030168 [platelet activation] GO:0030183 [B cell differentiation] GO:0030335 [positive regulation of cell migration] GO:0031295 [T cell costimulation] GO:0032760 [positive regulation of tumor necrosis factor production] GO:0032869 [cellular response to insulin stimulus] GO:0033120 [positive regulation of RNA splicing] GO:0034644 [cellular response to UV] GO:0034976 [response to endoplasmic reticulum stress] GO:0035014 [phosphatidylinositol 3-kinase regulator activity] GO:0036312 [phosphatidylinositol 3-kinase regulatory subunit binding] GO:0038095 [Fc-epsilon receptor signaling pathway] GO:0038096 [Fc-gamma receptor signaling pathway involved in phagocytosis] GO:0042993 [positive regulation of transcription factor import into nucleus] GO:0043066 [negative regulation of apoptotic process] GO:0043125 [ErbB-3 class receptor binding] GO:0043548 [phosphatidylinositol 3-kinase binding] GO:0043551 [regulation of phosphatidylinositol 3-kinase activity] GO:0043559 [insulin binding] GO:0043560 [insulin receptor substrate binding] GO:0044281 [small molecule metabolic process] GO:0045087 [innate immune response] GO:0045671 [negative regulation of osteoclast differentiation] GO:0045944 [positive regulation of transcription from RNA polymerase II promoter] GO:0046326 [positive regulation of glucose import] GO:0046854 [phosphatidylinositol phosphorylation] GO:0046935 [1-phosphatidylinositol-3-kinase regulator activity] GO:0046982 [protein heterodimerization activity] GO:0048009 [insulin-like growth factor receptor signaling pathway] GO:0048010 [vascular endothelial growth factor receptor signaling pathway] GO:0048011 [neurotrophin TRK receptor signaling pathway] GO:0048015 [phosphatidylinositol-mediated signaling] GO:0050821 [protein stabilization] GO:0050852 [T cell receptor signaling pathway] GO:0050900 [leukocyte migration] GO:0051492 [regulation of stress fiber assembly] GO:0051531 [NFAT protein import into nucleus] GO:0060396 [growth hormone receptor signaling pathway] GO:0090003 [regulation of establishment of protein localization to plasma membrane] GO:0090004 [positive regulation of establishment of protein localization to plasma membrane] GO:1900103 [positive regulation of endoplasmic reticulum unfolded protein response] GO:1990578 [perinuclear endoplasmic reticulum membrane] GO:2001275 [positive regulation of glucose import in response to insulin stimulus]
Predicted intracellular proteins Plasma proteins RAS pathway related proteins Cancer-related genes Candidate cancer biomarkers Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Predicted intracellular proteins Plasma proteins RAS pathway related proteins Cancer-related genes Candidate cancer biomarkers Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Predicted intracellular proteins Plasma proteins RAS pathway related proteins Cancer-related genes Candidate cancer biomarkers Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Disease related genes Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Predicted intracellular proteins RAS pathway related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Protein evidence (Ezkurdia et al 2014)
Predicted intracellular proteins RAS pathway related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Protein evidence (Ezkurdia et al 2014)
Predicted intracellular proteins RAS pathway related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Protein evidence (Ezkurdia et al 2014)
Predicted intracellular proteins RAS pathway related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Protein evidence (Ezkurdia et al 2014)
Predicted intracellular proteins RAS pathway related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Protein evidence (Ezkurdia et al 2014)
Predicted intracellular proteins Plasma proteins RAS pathway related proteins Cancer-related genes Candidate cancer biomarkers Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Other Mutations COSMIC Missense Mutations COSMIC Frameshift Mutations Disease related genes Protein evidence (Ezkurdia et al 2014)